NUMBERS
SUBTRACTION

ADDITION

Addition


Adding 2 – digit numbers
Adding 3 – digit numbers
Additive identity
Addition by one
4+3 = 3+4
(3+1)+2 = 3+(1+2)
Addition problem

EXERCISES


Ways to make a number(digits)
Horizontal addition
Horizontal addition(2 digits)
Addition
Addition ( 2 digits)
Addition ( 3 digits)
Step problem
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